Reference values based on the percentiles established for female players participating in the DTB testing
| Female players | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| GS (kg) | MB (cm) | CMJ (cm) | SV (km/h) | 10 m (s) | 20 m (s) | SpF (s) | SpB (s) | H&T (level) | |
| U12 | |||||||||
| Needs improvement | <21.5 | <520 | <27.9 | <120 | >2.03 | >3.61 | >3.11 | >3.22 | <12 |
| Average | 21.5–22 | 520–538 | 27.9–29.5 | 120–123 | 2.03–2.01 | 3.61–3.57 | 3.11–3.06 | 3.22–3.17 | 12–12.4 |
| Good | 22–24 | 538–570 | 29.5–32.3 | 123–126 | 2.01–1.96 | 3.57–3.50 | 3.06–2.98 | 3.17–3.12 | 12.4–13.5 |
| Excellent | >24 | >570 | >32.3 | >126 | <1.96 | <3.50 | <2.98 | <3.12 | >13.5 |
| U14 | |||||||||
| Needs improvement | <27 | <610 | <29.8 | <136 | >1.99 | >3.50 | >2.99 | >3.12 | <13 |
| Average | 27–29 | 610–646 | 29.8–30.5 | 136–139 | 1.99–1.96 | 3.50–3.45 | 2.99–2.92 | 3.12–3.08 | 13–13.4 |
| Good | 29–32 | 646–710 | 30.5–33 | 139–145 | 1.96–1.91 | 3.45–3.38 | 2.92–2.87 | 3.08–2.99 | 13.4–14.6 |
| Excellent | >32 | >710 | >33 | >145 | <1.91 | <3.38 | <2.87 | <2.99 | >14.6 |
| Needs improvement | <33 | <720 | <31.7 | <152 | >1.95 | >3.40 | >2.87 | >3.01 | <14 |
| U16 | |||||||||
| Average | 33–33.6 | 720–740 | 31.7–32.6 | 152–153.2 | 1.95–1.92 | 3.40–3.36 | 2.87–2.85 | 3.01–2.98 | 14–14.6 |
| Good | 33.6–36 | 740–810 | 32.6–34.2 | 153.2–161 | 1.92–1.88 | 3.36–3.29 | 2.85–2.78 | 2.98–2.90 | 14.6–16 |
| Excellent | >36 | >810 | >34.2 | >161 | <1.88 | <3.29 | <2.78 | <2.90 | >16 |
| Needs improvement | <36 | <810 | <31 | <157.5 | >1.95 | >3.37 | >2.86 | >3.00 | <15 |
| U18 | |||||||||
| Average | 36–38 | 810–830 | 31–32.3 | 157.5–160 | 1.95–1.93 | 3.37–3.33 | 2.86–2.82 | 3.00–2.98 | 15–15.3 |
| Good | 38–40 | 830–940 | 32.3–35.4 | 160–165.2 | 1.93–1.87 | 3.33–3.24 | 2.82–2.75 | 2.98–2.93 | 15.3–16.8 |
| Excellent | >40 | >940 | >35.4 | >165.2 | <1.87 | <3.24 | <2.75 | <2.93 | >16.8 |
CMJ, countermovement jump; DTB, German Tennis Federation; GS, grip strength dominant hand; H&T, Hit and Turn; MB, overhead medicine ball throw (2 kg); SPb, shuttle sprint to the backhand; SPf, shuttle sprint to the forehand; SV, serve velocity.